Docklands.LJC

The London Java Community for the Docklands

Sep 08 2015

Martin Thompson on Aeron Next Generation High Performance Messaging

2015, aeron, java, martin thompson, messaging

We are pleased to bring you the third event of the Docklands.LJC; a group within the main London Java Community that focuses on the developer community in and around Docklands that meets on the second Tuesday of each month #dljcjug. Our speaker this month is Martin Thompson.

Martin Thompson – Aeron: The Next Generation in High-Performance Messaging

Does TCP not meet your required latency consistently? Is UDP not reliable enough? Do you need to multicast? What about flow control, congestion control, and a means to avoid head of line blocking that can be integrated with the application? Or perhaps you’re just fascinated by how to design for the cutting edge of performance? Maybe you have tried higher level messaging products and found they are way too complicated because of the feature bloat driven by product marketing cycles.

Aeron takes it back-to-basics with a pure focus on performance and reliability. We have built it from the ground up with mechanical sympathy in its DNA. The data structures are lock-free, wait-free, and copy-free and even persistent for our functional friends. Interaction with the media is layered so you can swap between UDP, Inifiniband, or Shared Memory as required.

Aeron is open-source with implementations in Java and C++ that interoperate. There are no unnecessary features to bloat the implementation, yet the design is open so that it can be composed into higher level abstractions.

This talk will focus on the design of Aeron and what we learned trying to achieve very consistent performance. We will explore the challenges of dealing with reliable message delivery over UDP and the data structures necessary to support transmission and retransmission in in a lock-free and wait-free manner.

The presentation and video recorded from the event are available at InfoQ.

Bio

Martin Thompson has over 2 decades of experience building complex and high-performance computing systems. He is most recently known for his work on Aeron and SBE. Previously at LMAX he was the co-founder and CTO when he created the Disruptor. Prior to LMAX Martin worked for Betfair, three different content companies wrestling with the world largest product catalogues, and was a lead on some of the most significant C++ and Java systems of the 1990s in the automotive and finance domains.

He blogs at mechanical-sympathy.blogspot.co.uk, and can be found giving training courses on performance and concurrency when he is not cutting code to make systems better.


This event is being hosted by Credit Suisse in London. Sign-up information is available at Meetup.com.